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- Profitec Pro 500
- General Maintenance
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Espresso 101
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Profitec Pro 500: Cleaning the Check Valve
Below you will find instructions for cleaning or replacing the check valve on the Profitec Pro 500 Espresso Machine.
Tools Needed:
- 3mm allen key
- 2 Adjustable wrenches
1. Remove the panels of the machine: Pro 500 Panel Removal
2. Remove the 2 screws holding the water reservoir slot in place and move it to the side.
![](https://support.clivecoffee.com/hubfs/Screenshot_2018-03-27-15-54-02-1.jpg)
3. Remove the hose from the expansion valve and the copper fitting circled here.
![](https://support.clivecoffee.com/hubfs/Screenshot_2018-03-27-15-54-25-1.jpg)
4. Lift up the expansion valve to allow it to be turned and removed. You can use an adjustable wrench on the flat spot pointed out here.
![](https://support.clivecoffee.com/hubfs/Screenshot_2018-03-27-15-54-55-1.jpg)
5. Remove the check valve by applying counter torque on the t-valve to the left of it and using a second wrench to remove the check valve.
![](https://support.clivecoffee.com/hubfs/20180327_155034-1.jpg)
6. Use your wrenches to open up the check valve and check for any debris or scale buildup on the ball inside as well as the inside of the valve.
![](https://support.clivecoffee.com/hubfs/20180327_155302-1.jpg)